<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>06-css常用样式.html</title>
    <style type="text/css">
        div{
            color: red;
            border: 1px solid yellow;
            width: 300px;
            height: 300px;
            background-color: green;
            font-size: 30px;
            margin-left: auto;
            margin-right: auto;
            text-align: center;

        }
        a{
            text-decoration: none;
        }
        table{
            border: 1px red solid;
            border-collapse: collapse;
        }
        td{
            border: 1px red solid;
        }
        ul{
            list-style: none;
        }
    </style>
</head>
<body>
        <ul>
            <li>1111111111111111</li>
            <li>1111111111111111</li>
            <li>1111111111111111</li>
            <li>1111111111111111</li>
        </ul>
        <table>
            <tr>
                <td>1.1</td>
                <td>1.2</td>
            </tr>
        </table>
        <a href="http://www.baidu.com">百度</a>
        <div>我是div标签</div>

</body>
</html>